High-accuracy window voltage detector for overvoltage and undervoltage monitoring
Product details
Parameters
Package | Pins | Size
Features
- Input Voltage Range: 2 V to 18 V
- High Threshold Accuracy:
- 0.25% (typ)
- 0.9% (–40°C to 125°C)
- Fixed Window Thresholds Optimized for Nominal Rails Between 1 V and 5 V
- Open-Drain Outputs for Overvoltage and Undervoltage Indication
- Internal Glitch Immunity
- Threshold Adjust Using the SET Pin
- Low Quiescent Current: 7 µA (typ)
- Internal Threshold Hysteresis: 0.55%, 1.0%
- SOT-6 Package
Description
The TPS3702 is an integrated overvoltage and undervoltage window detector in a small SOT-6 package. This highly accuracy voltage monitor is ideal for systems that operate on low-voltage supply rails and have narrow margin supply tolerances. Low threshold hysteresis options of 0.55% and 1.0% prevent false reset signals when the monitored voltage supply is in its normal range of operation. Internal glitch immunity and noise filters further eliminate false resets resulting from erroneous signals.
The TPS3702 does not require any external resistors for setting overvoltage and undervoltage reset thresholds, which further increases overall accuracy and reduces solution size and cost. The SET pin is used to select between the two available threshold voltages designed into each device. A separate SENSE input pin and VDD pin allow for the redundancy sought by safety-critical and high-reliability systems. This device also features independent reset outputs for the OV and UV pins; as a result of the open-drain configuration, UV and OV can be tied together.
This device has a low typical quiescent current specification of 7 µA and is qualified for use over the industrial temperature range of –40°C to 125°C.
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | TPS3702 High-Accuracy, Overvoltage and Undervoltage Monitor datasheet | Jan. 27, 2015 |
Technical article | Monitoring 12-V automotive battery systems: Load-dump, cold-crank and false-reset management | Mar. 24, 2021 | |
Functional safety information | TPS3702 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA | Mar. 03, 2021 | |
Application note | Voltage Supervisors (Reset ICs): Frequently Asked Questions (FAQs) (Rev. A) | Mar. 17, 2020 | |
Selection guide | Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) | Feb. 28, 2020 | |
E-book | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | Jun. 28, 2019 | |
User guide | TPS3702CX33EVM-683 High accuracy window voltage detector EVM for OV/UV monitorin (Rev. A) | Feb. 11, 2019 | |
Technical article | Tips and tricks for optimizing your voltage supervisor | Mar. 07, 2017 | |
Technical article | Oh yes! My FPGA application is safe | Oct. 26, 2015 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
Features
Hardware Features
- TMS320F280049C: 100 MHz C28x CPU with FPU and TMU, 256 KB Flash, InstaSPIN-FOC enabled, 3x 12-bit ADC, CAN, encoder, FSI, UART, and more
- On-board XDS110 debug probe for real-time debug and flash programming
- 80 pin LaunchPad leveraging the BoosterPack ecosystem
- Power domain isolation (...)
Description
The TPS3702CX33EVM-683 evaluation module (EVM) helps designers evaluate the operation and performance of the TPS3702, which is a low power, high accuracy over-voltage and under-voltage detector that is available with fixed threshold options. The EVM circuit is configured to be a reference design for (...)
Features
- 1% overall accuracy
- Internal hysteresis options of 0.5% and 1%
- Low supply current (8 uA typ)
- Open drain outputs
- SET pin to select ±5% and ±10% thresholds
Description
TMDSCNCD280049C is an HSEC180 controlCARD based evaluation and development tool for the C2000™ F28004x series of microcontroller products. controlCARDs are ideal to use for initial evaluation and system prototyping. controlCARDs are complete board-level modules that utilize one of two standard form (...)
Features
Hardware Features
- Isolated on-board XDS100v2 USB-to-JTAG debug probe enables real-time in-system programming and debugging
- Standard 180-pin controlCARD HSEC interface
- Analog I/O, digital I/O and JTAG signals at card interface
- Hardware Files are in C2000Ware at boards\controlCARDs\TMDSCNCD280049C
Software (...)
Description
TMDSCNCD28379D is an HSEC180 controlCARD based evaluation and development tool for the F2837xD, F2837xS, and F2807x series in the TI MCU. controlCARDs are ideal to use for initial evaluation and system prototyping. controlCARDs are complete board-level modules that utilize one of two standard (...)
Features
Hardware Features
- TMDSCNCD28379D: TMS320F28379D HSEC180 based controlCARD
- Isolated XDS100v2 USB-to-JTAG Debug Probe enables real-time in-system programming and debugging
- Standard 180-pin HSEC interface
- Analog I/O, digital I/O and JTAG signals at card interface
- USB Host connector
- SDCard Slot
- Hardware Files (...)
Description
TMDSDOCK28379D is a HSEC180 controlCARD based evaluation and development tool for the C2000™ Delfino™ F2837x and Piccolo F2807x series of microcontroller products. The Docking Station provides power to the controlCARD and has a bread-board area for prototyping. Access to the key device (...)
Features
Hardware Features
- TMDSCNCD28379D: TMS320F28379D HSEC180 based controlCARD
- Isolated XDS100v2 USB-to-JTAG Debug Probe enables real-time in-system programming and debugging
- Bread-board like baseboard with HSEC180 controlCARD female connector
- Header pin access to key MCU signals
- Breadboard area for (...)
Design tools & simulation
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
Reference designs
Design files
-
download PMP40690 BOM Files.zip (327KB) -
download PMP40690 Assembly Files.zip (432KB) -
download PMP40690 Layer Plots.zip (2496KB) -
download PMP40690 CAD Files.zip (3876KB) -
download PMP40690 Gerber.zip (5577KB)
Design files
-
download TIDA-010052 BOM.pdf (134KB) -
download TIDA-010052 Assembly Drawing.pdf (213KB) -
download TIDA-010052 PCB.pdf (669KB) -
download TIDA-010052 CAD Files.zip (3493KB) -
download TIDA-010052 Gerber.zip (1212KB)
Design files
-
download TIDA-00392 BOM.pdf (215KB) -
download TIDA-00392 Gerber.zip (219KB)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
SOT-23-THIN (DDC) | 6 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Support & training
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